225787739536 has 20 divisors (see below), whose sum is σ = 437517537264. Its totient is φ = 112879988000.

The previous prime is 225787739519. The next prime is 225787739581. The reversal of 225787739536 is 635937787522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732790 + ... + 994261.

Almost surely, 2^225787739536 is an apocalyptic number.

It is an amenable number.

225787739536 is a deficient number, since it is larger than the sum of its proper divisors (211729797728).

225787739536 is a wasteful number, since it uses less digits than its factorization.

225787739536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735230 (or 1735224 counting only the distinct ones).

The product of its digits is 133358400, while the sum is 64.

The spelling of 225787739536 in words is "two hundred twenty-five billion, seven hundred eighty-seven million, seven hundred thirty-nine thousand, five hundred thirty-six".